The ratio of volume of mixed reactor to the volume of P.F.R. (for identical flow rate, feed composition and conversion) for zero order reaction is ∞ 1 > 1 TRUE ANSWER : ? YOUR ANSWER : ?
In a reaction, the threshold energy is equal to (where, A = activation energy N = normal energy of reactants) A-N A+N N A TRUE ANSWER : ? YOUR ANSWER : ?
Exothermic reactions are best carried out in CSTR followed by a plug flow reactor A plug flow reactor followed by CSTR CSTR in series A CSTR TRUE ANSWER : ? YOUR ANSWER : ?
Space time in flow reactor is Both A and B A measure of its capacity Usually equal to the residence time The reciprocal of the space velocity TRUE ANSWER : ? YOUR ANSWER : ?
For all positive reaction orders for a particular duty, Density variation during reaction affects design Mixed reactor is always larger than the plug-flow reactor Ratio of the volume of the mixed reactor to that of the plug-flow reactor decreases with order Reactor size is independent of the type of flow TRUE ANSWER : ? YOUR ANSWER : ?
Pure A in gas phase enters a reactor 50% of this A is converted to B through the reaction, A 3B. Mole fraction of A in the exit stream is 43834 43833 43832 43835 TRUE ANSWER : ? YOUR ANSWER : ?
The order of a chemical reaction is Always equal to the total stoichiometric number of reactants Never fractional None of these An experimentally determined quantity TRUE ANSWER : ? YOUR ANSWER : ?
A first order reaction requires two equal sized CSTR. The conversion is More when they are connected in series More when they are connected in parallel Same whether they are connected in series or in parallel Less when they are connected in series TRUE ANSWER : ? YOUR ANSWER : ?
The excess energy of the reactants required to dissociate into products is known as the __________ energy. Threshold Activation Thermal Binding TRUE ANSWER : ? YOUR ANSWER : ?
Fractional conversion __________ with increase in pressure for ammonia synthesis reaction i.e., N₂ + 3H₂ ⇋ 2NH₃. Increases Unpredictable from the data Decreases Remains unchanged TRUE ANSWER : ? YOUR ANSWER : ?